What do you think are 5 of the most important technological inventions in human history? Why?​

Answers

Answer 1

1. The Printing Press: Invented by Johannes Gutenberg in the 15th century, the printing press revolutionized the way information was disseminated, making knowledge accessible to a wider audience and facilitating the spread of ideas.

2. The Steam Engine: Developed in the 18th century, the steam engine powered the Industrial Revolution and transformed the way goods were produced, leading to significant changes in the economy and society.

3. The Telephone: Invented by Alexander Graham Bell in the 19th century, the telephone revolutionized communication, allowing people to communicate with each other over long distances in real-time.

4. The Internet: Developed in the 20th century, the internet transformed the way people access and share information, leading to significant changes in communication, commerce, and social interaction.

5. The Smartphone: Invented in the 21st century, the smartphone has become an essential tool for communication, entertainment, and productivity, allowing people to access a wide range of services and information from anywhere at any time.

These inventions have had a profound impact on human history, transforming the way people live, work, and interact with each other.

Related Questions

Portable signs in wet locations shall have ___________.
600.12(2)

Answers

Portable signs in wet locations shall have Ground-Fault Circuit Interrupter (GFCI) protection. This requirement can be found in the National Electrical Code (NEC) section 600.12(2). The GFCI protection helps prevent electrical shock hazards in wet or damp environments where portable signs may be used.

A Ground Fault Circuit Interrupter (GFCI) is an electrical safety device designed to protect against electric shock. It works by constantly monitoring the flow of electrical current through a circuit.

If the current flowing in the circuit exceeds a safe level, the GFCI quickly shuts off the electricity to prevent electrocution.

GFCIs are typically used in areas where water may be present, such as kitchens, bathrooms, and outdoor locations. They are commonly found in electrical outlets that are close to sinks, tubs, or other water sources.

In the event of a ground fault, the GFCI shuts off the electrical current before it can cause serious injury or damage.

GFCIs are required by the National Electrical Code (NEC) in certain locations, including bathrooms, garages, and outdoor outlets. They are an important safety feature in any home or building and can help prevent electrical accidents and injuries.

Learn more about Ground Fault Circuit Interrupter (GFCI)  here

https://brainly.com/question/30852574

#SPJ11

The counter instruction is found on:a. all PLCSb. small-size PLCC. Medium size plcd large-size PLC

Answers

The counter instruction is a fundamental component of programmable logic controllers (PLCs). It is a type of instruction that allows for counting events or occurrences in a program.

The counter instruction is essential for a wide range of industrial automation applications, from monitoring production lines to controlling robotic systems.The counter instruction can be found on all types of PLCs, including small-size PLCs, medium-size PLCs, and large-size PLCs. The specific type of PLC that the counter instruction is found on depends on the specific model and manufacturer.Small-size PLCs are typically used in applications that require low-level automation, such as simple process control tasks. These PLCs typically have a limited number of input/output (I/O) points and may not have as many programming features as larger PLCs. However, they still have the ability to use counter instructions.Medium-size PLCs are often used in more complex industrial automation applications. These PLCs typically have a larger number of I/O points and more advanced programming features than small-size PLCs. They also have the ability to use counter instructions.Large-size PLCs are used in applications that require high-level automation, such as controlling large manufacturing facilities or power plants. These PLCs have a high number of I/O points and advanced programming capabilities. They also have the ability to use counter instructions.In summary, the counter instruction is a crucial component of PLC programming and can be found on all types of PLCs, including small-size, medium-size, and large-size PLCs. The specific type of PLC that the counter instruction is found on depends on the specific model and manufacturer.

For such more question on automation

https://brainly.com/question/30088157

#SPJ11

In TCP, all segments are acknowledged, with the primary exception of pure ACKs.
(t/f)

Answers

True, in TCP, all segments are acknowledged with the primary exception of pure ACKs.


In TCP, acknowledgement is a crucial aspect of ensuring reliable communication between the sender and receiver. Whenever a segment is sent from the sender to the receiver, the receiver must acknowledge the receipt of the segment by sending back an acknowledgement message. This acknowledgement contains a sequence number that corresponds to the next expected segment that the receiver is waiting to receive.

However, not all segments require acknowledgement. Pure ACKs are segments that contain only acknowledgement information, without any data payload. These segments are used to acknowledge the receipt of previously received segments, but they do not carry any new data. As a result, pure ACKs are not themselves acknowledged, since they do not require any further action from the sender.


In summary, while all data-carrying segments in TCP require acknowledgement, pure ACKs do not. This is because they serve a different purpose in the protocol and do not introduce any new information into the communication channel.

Know more about the  Pure ACKs

https://brainly.com/question/31419748

#SPJ11

Unlike the TON timer, the RTO timer requires (an)a. timer reset instructionc. internal relay instruction.b. input condition instruction.d. instantaneous contact instruction.

Answers

Unlike the TON (Timer On-Delay) timer, the RTO (Retentive Timer On-Delay) timer requires an input condition instruction. Option b is the answer.

The RTO timer is a type of timer used in programmable logic controllers (PLCs) that starts counting time when an input signal is received and continues to count even after the input signal is turned off. The RTO timer is also called a "latching timer" or "pulse-stretcher."

To use an RTO timer in a PLC program, the timer is first enabled by an input condition instruction that starts the timing operation. Once the timer has started counting, it continues to count until it reaches its preset time value or until it is reset by another input condition instruction. The RTO timer is useful in applications where it is necessary to maintain a certain state or condition for a specific amount of time after an input signal is turned off, such as in conveyor belt systems or motor control circuits.

In contrast, the TON timer requires a timer reset instruction to reset the timer after the preset time has elapsed. The TON timer starts counting time when an input signal is received and stops counting when the preset time has elapsed. The timer reset instruction is used to reset the timer and prepare it for the next cycle.

Option b is answer.

You can learn more about RTO timer  at

https://brainly.com/question/29615204

#SPJ11

Water at P1 = 200 kPa with a quality of 25% has its temperature raised 20 oC (T2 = T1+20 0C) in a constant pressure process. What is the initial (v1) and final (v2) specific volumes?

Answers

The initial (v1) and final (v2) specific volumes based on the information will be 0.9354 m3/kg.

How to calculate the volume

From the information, Water at P1 = 200 kPa with a quality of 25% has its temperature raised 20 oC (T2 = T1+20 0C) in a constant pressure process.

For state 1, v = vf + x vfg = 0.001061 + 0.25 × 0.88467 = 0.22223 m3/kg

State 2  at 200 kPa T2 = Tsat + 20 = 120.23 + 20 = 140.23°C

So state is superheated vapor x = undefined v = 0.88573 + (0.95964 – 0.88573) 20/150 - 120.23 = 0.9354 m3/kg

Learn more about volume on

https://brainly.com/question/27710307

#SPJ1

A closed traverse was run from A to B, then C and back to A, with radiations made at B and C to Y and X respectively. The diagram below shows the reduced observations made at A and B and the field notes recorded when the theodolite was set up at C. When the distances were observed at C, the tape was placed on evenly sloping ground and the appropriate vertical angle observed. Reduce the field notes made at C, in the spaces on the booking sheet. (5 marks)

Answers

The appropriate calculation and diagram is attached.

What are field notes?

Field notes are a type of shorthand or abbreviated notes taken by researchers, scientists, and other professionals who work in the field. Field notes can include observations, conversations, measurements, and other data that are recorded quickly and efficiently in real-time.

Field notes are typically taken using pen and paper, although they can also be recorded digitally using smartphones or other electronic devices. They are often used in qualitative research, such as ethnography, where the researcher is studying a culture or community in its natural setting.

Field notes may include descriptive details about the setting, the people being observed, their behaviors, and any other relevant information that the researcher feels is important. They may also include personal reflections and insights that the researcher has while conducting the research.

Learn more about distance on

https://brainly.com/question/26550516

#SPJ1

T/F there is a limit of 35 changing cells in the edit scenario dialogue box

Answers

To answer the question: "T/F there is a limit of 35 changing cells in the edit scenario dialogue box"

True, there is a limit of 35 changing cells in the Edit Scenario dialogue box in Microsoft Excel.

Learn more about dialogue box: https://brainly.com/question/30667459

#SPJ11

In Java, after an exception is handled, control resumes ---------. This is known as the------model of exception handling.a. after the last catch block (or the finally block, if there is one), terminationb. after the last catch block (or the finally block, if there is one), resumptionc. just after the throw point, terminationd. just after the throw point, resumption

Answers

In Java, after an exception is handled, control resumes just after the throw point, which is the point in the code where the exception was thrown. This is known as the resumption model of exception handling.

When an exception is thrown in Java, the runtime system searches for an appropriate catch block that can handle the exception. Once a catch block is found, the exception is handled, and control resumes just after the throw point. This means that the program continues to execute from the point immediately following the statement that caused the exception to be thrown.

If there are multiple catch blocks, the one that matches the exception type is executed. Once the appropriate catch block has executed, any finally block associated with the catry-tch statement is executed before control resumes just after the throw point.

In the resumption model of exception handling, the program continues to execute from the point immediately following the throw point after an exception is handled. This is in contrast to the termination model of exception handling, where control terminates and the program stops executing after an exception is handled.

Learn more about Java here:

https://brainly.com/question/29897053

#SPJ11

Pull and junction boxes for raceways containing conductors and for cables containing conductors the minimum shall be a _________ awg.
314.28(a)

Answers

According to the National Electrical Code (NEC) 314.28(a), pull and junction boxes for raceways containing conductors and for cables containing conductors shall have a minimum dimension of six times the trade size of the largest raceway or conduit.

The code does not specify a minimum dimension AWG, but rather focuses on the dimensions of the box relative to the raceway or conduit size.

Employee share ownership is the practise of having shares in a firm owned by its workers. US employees frequently use share option schemes to buy stocks. In the UK, employee share purchase schemes are common. These involve deducting money from employees' paychecks so they can buy shares over time.  Frank and John are a part of a job-sharing agreement in the scenario.

Implementing a recognition programe to recognise top performers is the greatest approach to inspire minimum wage workers.

The fact that many firms have employees who are "on call" throughout the day is one of the factors that makes it more important to have a work-life balance.

Learn more about minimum dimension here

https://brainly.com/question/3072666

#SPJ11

48. Which of the following statements is truc?
a. The benefit of being a sole trader is that you have no personal liability for the debts of
your business.
b.
Partnerships offer the same benefits as limited companies but are usually formed by
professionals such as doctors and solicitors.
c.
Limited company status means that a company is only allowed to trade up to a
predetermined turnover level in any one year.
d. For organisations that have limited company status, ownership and control arc legally
separate.
e. None of the above.

Answers

The correct true statement is: d. For organizations that have limited company status, ownership and control are legally separate.

What are the statements?

When a business operates as a limited company, it is considered as a legal entity with its own rights and liabilities. The company has its own legal personality, distinct from its owners or shareholders. This means that the ownership and control of the company are legally separated.

So, This statement is true. Limited companies, also known as corporations, are distinct legal entities separate from their owners or shareholders. This means that the ownership and control of the company are legally separated, and the company is liable for its own debts and obligations. Limited liability is one of the main benefits of operating as a limited company, as it helps protect the personal assets of the owners or shareholders from the debts and liabilities of the business.

To know more about statements here:

https://brainly.com/question/27839142

#SPJ1

(354-10) The use of nonmetallic conduit with conductors shall be permitted for direct burial underground installation; in cinder fill; or encased or embedded in concrete.(True/False)

Answers

The statement given in the question is true. The National Electrical Code (NEC) permits the use of nonmetallic conduit with conductors for direct burial underground installation, in cinder fill, or encased or embedded in concrete. This allowance is specified in Article 353 of the NEC, which outlines the requirements for nonmetallic underground conduit systems.

Nonmetallic conduit is a type of conduit made from PVC, HDPE, or other plastic materials, and it offers several advantages over metal conduit. Nonmetallic conduit is easier to install, requires less maintenance, and is more resistant to corrosion, making it ideal for underground installations.However, there are certain requirements that must be met when using nonmetallic conduit for direct burial or other underground installations. For example, the conduit must be listed and marked as suitable for the specific application and must be buried at a sufficient depth to prevent damage.Additionally, the NEC specifies the minimum size of nonmetallic conduit required based on the size and number of conductors being installed. This is to ensure that the conduit can accommodate the conductors without becoming damaged or creating a hazard.Overall, the use of nonmetallic conduit with conductors for direct burial underground installation, in cinder fill, or encased or embedded in concrete is permitted under certain conditions outlined in the NEC. It is important to ensure that all applicable requirements are met to ensure safe and reliable operation of the electrical system.

For such more question on nonmetallic

https://brainly.com/question/2834632

#SPJ11

When a DIMM has chips on both sides of the module, do the pins on one side of the module work independently or dependent to pins on the other side of the module?

Answers

When a DIMM (Dual In-Line Memory Module) has chips on both sides of the module, the pins on one side work independently from the pins on the other side.

Each side of the DIMM (Dual In-Line Memory Module) has its own set of address and data lines, which allows the memory controller to access data from both sides simultaneously, improving performance. This configuration is known as a "double-sided" or "dual-ranked" DIMM.

In a dual-ranked DIMM, the memory controller can access one rank of memory chips while the other rank is being refreshed, which helps to reduce latency and increase overall system performance. The ranks are connected to the same memory channel, but they share access to the channel's resources. This design enables the DIMM to offer greater memory capacity and improved performance compared to a single-sided or single-ranked DIMM.

However, it is important to note that the overall performance of a memory module is also affected by factors such as memory speed, timings, and the memory controller's capabilities. Therefore, when selecting memory for a computer system, it is essential to consider compatibility and performance specifications in addition to the module's physical configuration.

Learn more about DIMM here: https://brainly.com/question/31567697

#SPJ11

How do you calculate the tolerance for the asphalt spread rate target?

Answers

The tolerance for the asphalt spread rate target can be calculated using the following formula.

Tolerance = (Target Spread Rate x Tolerance Percentage)/100 Target Spread Rate is the desired spread rate for the asphalt

Tolerance Percentage is the allowable deviation from the target spread rate, expressed as a percentage

For example, if the target spread rate is 2.5 inches per square yard and the allowable deviation is ±5%, the tolerance for the spread rate would be: Tolerance = (2.5 x 5)/100

Tolerance = 0.125 inches per square yard Therefore, the acceptable range for the spread rate would be between 2.375 inches per square yard (2.5 - 0.125) and 2.625 inches per square yard (2.5 + 0.125).

Learn more about asphalt spread here:

https://brainly.com/question/29589497

#SPJ11

Conductor Insulation Properties: Table _____ of the NEC provides information on conductor properties such as permitted use, maximum operating temperature and other insulation details.

Answers

Conductor Insulation Properties: Table 310.104(A) of the NEC provides information on conductor properties such as permitted use, maximum operating temperature, and other insulation details.

To be useful and safe, electric current must be forced to flow only where it is needed. It must be "channeled" from the power source to a useful load. In general, current-carrying conductors must not be allowed to come in contact with one another, their supporting hardware, or personnel working near them. To accomplish this, conductors are coated or wrapped with various materials. These materials have such a high resistance that they are, for all practical purposes, nonconductors. Nonconductors are generally referred to as "insulators" or "insulating material."

Only the necessary minimum amount of insulation is applied to any particular type of conductor designed to do a particular job. This is done because of several factors. The expense, stiffening effect, and a variety of physical and electrical conditions under which the conductors are operated must be taken into account. Therefore, there are a variety of insulated conductors available to meet the requirements of any job.

learn more about Conductor Insulation here:

https://brainly.com/question/20102785

#SPJ11

A large, coal-fired electric power plant produces 12 million kilowatt-hours of electricity each day. Assume that an input of 10,000 BTU's of heat is required to produce an output of 1 kilowatt-hour of electricity.

Answers

To generate 12 million kilowatt-hours of electricity daily, the power plant needs a technology which provides an input of 120 billion BTUs of heat (12 million x 10,000).

To produce 12 million kilowatt-hours of electricity per day, the large, coal-fired electric power plant requires 120 billion BTUs of heat each day (12 million kWh/day x 10,000 BTU/kWh = 120 billion BTUs/day).
A large, coal-fired electric power plant produces 12 million kilowatt-hours of electricity each day. To produce 1 kilowatt-hour of electricity, an input of 10,000 BTUs of heat is required. Therefore, to generate 12 million kilowatt-hours of electricity daily, the power plant needs an input of 120 billion BTUs of heat (12 million x 10,000).

To learn more about technology, click here:

brainly.com/question/31238904

#SPJ11

Based on the information provided, we can calculate the total input of heat required to produce the 12 million kilowatt-hours of electricity generated by the power plant each day.

First, we need to convert the units of measurement for the input of heat from BTUs to kilowatt-hours. One kilowatt-hour is equal to 3,412 BTUs (British Thermal Units).

So, 10,000 BTUs is equal to 2.938 kilowatt-hours (10,000 ÷ 3,412).

Next, we can calculate the total input of heat required for the power plant to produce 12 million kilowatt-hours of electricity each day:

12,000,000 kilowatt-hours × 2.938 kilowatt-hours per BTU = 35,256,000,000 BTUs

Therefore, the large, coal-fired electric power plant requires an input of approximately 35.3 billion BTUs of heat each day to produce 12 million kilowatt-hours of electricity.

Learn more about input of heat: https://brainly.com/question/28086341

#SPJ11

12) The lowest-cost form of transporting goods very long distances by...A) TruckB) TrainC) BoatD) Airplane

Answers

The lowest-cost form of transporting goods very long distances by: B: Train

What is the best mode of transportation?

There are different modes of transportation such as:

Road Transportation

Maritime Transportation

Air transportation

Rail Transportation

Pipeline transportation

Now, among the listed modes of transportation above, the slowest is usually rail when transporting goods over long distances.

This is because In modern practice, rail is used more exclusively for the largest and heaviest payloads (bulk cargo) traveling across land. The vast majority of railway infrastructure connects highly populated areas with large unpopulated strips of land between them making rail ideal for long-distance and cross country hauls.

Read more about Mode of Transportation at: https://brainly.com/question/25935364

#SPJ1

What is the difference between an instance member variable and a static member variable?

Answers

An instance member variable is a variable that belongs to a specific instance of a class, meaning that each instance of the class will have its own copy of the variable. On the other hand, a static member variable is a variable that belongs to the class itself, rather than to any particular instance of the class.

This means that there is only one copy of the static member variable, regardless of how many instances of the class exist. Static member variables are useful for storing data that should be shared across all instances of the class.The main difference between an instance member variable and a static member variable lies in their scope and usage. An instance member variable is specific to each object of a class, whereas a static member variable is shared among all objects of a class. Instance variables are initialized when a new object is created, while static variables are initialized when the class is loaded into memory.

Learn more about regardless here

https://brainly.in/question/4238039

#SPJ11

Which three statements characterize the transport layer protocols? (Choose three.)

Answers

Transport layer protocols are a critical part of the TCP/IP protocol suite, and they play a crucial role in ensuring that data is transmitted correctly and efficiently over a network.

The following are three statements that characterize transport layer protocols: The transport layer is responsible for providing reliable end-to-end data transmission between applications running on different devices over a network. Transport layer protocols define the format and rules for exchanging data between applications on different hosts. Transport layer protocols can provide flow control and congestion control mechanisms to prevent network congestion and ensure efficient use of network resources.  The transport layer is responsible for breaking up data into smaller packets and managing their transmission between applications running on different devices. It provides end-to-end reliability and error detection and correction, and it can also perform flow control and congestion control to prevent network congestion and ensure efficient use of network resources.

Learn more about transport layer protocols here:

https://brainly.com/question/28876666

#SPJ11

Question 47 Marks: 1 General overall policy planning includes all of the following exceptChoose one answer. a. aspirations and realistic objectives b. detailed engineering and specific architectural project plans c. identification of goals d. establishment of functional priorities

Answers

b. detailed engineering and specific architectural project plans

General overall policy planning involves setting aspirations and realistic objectives, identifying goals, and establishing functional priorities. It is a high-level strategic process that provides direction and guidance for an organization or government. However, detailed engineering and specific architectural project plans are more related to implementation and operational activities, rather than strategic planning. These plans are typically developed after the general policy planning has been completed and provide more specific guidance on how to achieve the identified goals and objectives. Therefore, b. is the correct answer as it does not fit within the scope of general overall policy planning.

Learn more about project plans here:

https://brainly.com/question/14566477

#SPJ11

LP gas is considered more hazardous than natural gas because?

Answers

LP gas requires more caution and attention to safety measures when handling, storing, and using it compared to natural gas.

LP (liquefied petroleum) gas is generally considered more hazardous than natural gas for several reasons: Higher flammability: LP gas is more flammable than natural gas because it has a higher energy content per unit of volume. This means that if there is a leak or ignition source, LP gas can ignite more easily and can create a more intense fire or explosion. Heavier than air: LP gas is denser than air, which means it will sink to the ground and collect in low-lying areas if there is a leak. This can create an explosive atmosphere if the gas is not properly ventilated.

Storage under pressure: LP gas is typically stored under pressure in tanks or cylinders, which can pose a risk of rupture or explosion if the tank is damaged or improperly maintained. Odorless: Unlike natural gas, LP gas is odorless in its natural state. An odorant is added to LP gas to give it a distinct smell so that leaks can be detected, but this odorant can sometimes be masked or dissipate over time, making it more difficult to detect leaks.

Learn more about LP gas here:

https://brainly.com/question/15255904

#SPJ11

TFFN can be described as stranded fixture wire with thermoplastic insulation, nylon cover. (True/False)

Answers

True, TFFN can be described as stranded fixture wire with thermoplastic insulation and a nylon cover.

 

A thermoplastic is a class of polymer that can be softened through heating and then processed using methods such as extrusion, injection moulding, thermoforming and blow moulding.

Thermoplastics harden once cooled and do not show any changes in chemical property after being heated and cooled multiple times, making them easily recyclable.

Amorphous and Semi-crystalline Thermoplastics

Thermoplastics are made by joining small molecules, called monomers, together to form long chains using a process called polymerisation. A single polymer chain can be made from many thousands of monomers. The atoms in a polymer chain are joined by strong covalent bonds, whereas the forces between chains are weak.

Depending on the type of monomer, polymer chains may have side branches. If a polymer chain has only a few, short side branches then the chains can form ordered, crystalline regions, called spherulites. However, if the chain has many large side branches, then it is not possible for ordered regions to be formed and the polymer is amorphous.

learn more about  thermoplastic here:

https://brainly.com/question/29596428

#SPJ11

Which term describes how the Mac operating system handles files created, deleted, or modified since the last backup when the backup drive is temporarily missing?A) Disk dumpB) SnapshotC) System restore pointD) Tarball

Answers

The term that describes how the Mac operating system handles files created, deleted, or modified since the last backup when the backup drive is temporarily missing is B) Snapshot.

A snapshot is a point-in-time copy of the contents of a volume. When Time Machine creates a backup of your Mac, it takes a snapshot of your files and folders at that moment. If the backup drive is temporarily missing, Time Machine will continue to take snapshots of your files and folders. When the backup drive is reconnected, Time Machine will copy over the differences between the latest snapshot and the previous backup to ensure that your backup is up to date. This allows you to restore your files to a point in time even if the backup drive was not available for a period.

Learn more about snapshot here-

https://brainly.com/question/30147632

#SPJ11

What is an asphalt treated permeable base?

Answers

A form of road basis constructed of gravel blended with asphalt that permits water to pass through it is known as an asphalt treated permeable base.

ATPB, commonly referred to as asphalt treated permeable base, is a road base material used in pavement construction. To build a strong and secure foundation for the pavement, coarse aggregate, like crushed stone or gravel, is combined with asphalt. However, ATPB is made to allow water to run through it and into the underlying soil, unlike conventional asphalt pavement. Better drainage is made possible by doing this, which also helps to avoid water from accumulating on the surface, which can lead to damage and safety risks. Roads, parking lots, and other paved surfaces where drainage is an issue frequently use ATPB.

learn more about asphalt treated here:

https://brainly.com/question/29589497

#SPJ11

In addition to /etc/localtime, some Linux distributions also have an /etc/timezone text file that contains a reference to the correct time zone file contained in which directory?
/etc/zoneinfo
/usr/zoneinfo
/usr/share/zoneinfo
/usr/local/zoneinfo

Answers

The correct time zone file is contained in the /usr/share/zoneinfo directory. In addition to /etc/localtime, some Linux distributions also have an /etc/timezone text file that contains a reference to the correct time zone file. This file is contained in the following directory.

The most widely used Linux graphical user interface is the GNOME (GNU Network Object Model Environment) Desktop, which can be found in Fedora, Debian, and other Linux distributions.

A graphical user interface (GUI) is a visual representation of an application's functionality, allowing users to interact with the application using icons, buttons, and other graphical components. It makes using the operating system more manageable and more intuitive by allowing users to perform tasks without needing to memorize a large number of commands or understand complex procedures.


Your answer: /usr/share/zoneinfo

To know more about Linux distributions:- https://brainly.com/question/31164630

#SPJ11

Hi! In addition to /etc/localtime, some Linux distributions also have an /etc/timezone text file that contains a reference to the correct time zone file contained in the /usr/share/zoneinfo directory.

Learn more about zone file: https://brainly.com/question/31558819

#SPJ11

When compared to air, the transmission of ultrasonic waves through a solid material is ___________.a) The sameb) More effectivec) Less effectived) none of the above

Answers

When compared to air, the transmission of ultrasonic waves through a solid material is b) more effective.

When ultrasonic waves propagate through a solid material, they encounter fewer obstacles and disturbances than when they propagate through air. As a result, the transmission of ultrasonic waves through a solid material is more effective than through air. The solid material provides a denser and more uniform medium for the ultrasonic waves to travel through, which results in less energy loss and better propagation of the waves.

This makes ultrasonic testing techniques highly effective for detecting flaws or defects in solid materials, such as metals, plastics, and composites. Ultrasonic waves can be used to detect cracks, voids, inclusions, and other types of flaws in solid materials, making it a valuable tool in non-destructive testing and evaluation.

Option b is answer.

You can learn more about ultrasonic waves at

https://brainly.com/question/11897926

#SPJ11

Pinewood Studios was a part of a construction boom in

Answers

Pinewood Studios played a significant role in the construction boom that occurred in the UK during the 20th century.

The studio complex, located in Buckinghamshire, was established in 1936 and quickly became one of the most important production hubs for the British film industry.

As demand for film and television production increased, Pinewood expanded to include additional soundstages, backlots, and post-production facilities.

The studio's success also led to the growth of related industries, such as visual effects and prop manufacturing, in the surrounding area.

Today, Pinewood is known for hosting major film franchises like James Bond and Star Wars, and continues to be a vital part of the UK's creative economy. Its legacy as a symbol of British filmmaking excellence is sure to endure for years to come.

Learn more about film production at

https://brainly.com/question/30554574

#SPJ11

During idle and fast idle conditions, the main discharge nozzle is?

Answers

During idle and fast idle conditions, the main discharge nozzle in a carburetor is responsible for controlling the amount of fuel that enters the engine. The main discharge nozzle is a small hole located in the main body of the carburetor, which is connected to the fuel bowl through a series of channels and passages.

When the engine is in idle condition, the throttle valve is closed, and the engine is running at its lowest speed. In this condition, the vacuum created in the carburetor causes the fuel to be drawn through the idle jet and discharged through the main discharge nozzle. The size of the nozzle determines the amount of fuel that is discharged, and this is controlled by adjusting the idle mixture screw.During fast idle conditions, the throttle valve is partially open, and the engine is running at a higher speed. In this condition, the fuel is drawn through the main discharge nozzle at a faster rate, and the size of the nozzle is again responsible for controlling the amount of fuel that is discharged. The fast idle condition is often used during cold starts to provide a richer fuel mixture to the engine.In conclusion, the main discharge nozzle in a carburetor plays a crucial role in controlling the amount of fuel that enters the engine during idle and fast idle conditions. By adjusting the size of the nozzle and the idle mixture screw, the fuel-air ratio can be optimized to ensure maximum engine performance and efficiency.

For such more question on carburetor

https://brainly.com/question/25915987

#SPJ11

Name the two types of primers commonly used on small engines and how they work.

Answers

The two types of primers commonly used on small engines are bulb primers and diaphragm primers.

Bulb primers work by creating suction that draws fuel into the carburetor. The bulb is squeezed, causing air to be expelled and creating a vacuum that draws fuel into the carburetor bowl. When released, the bulb fills with air and the fuel mixture is forced into the engine.

Diaphragm primers, on the other hand, use a flexible diaphragm to draw fuel into the carburetor. When the primer bulb is pressed, the diaphragm contracts, drawing fuel into the carburetor. When released, the diaphragm expands, forcing the fuel mixture into the engine.

Both types of primers are effective at quickly delivering fuel to the engine for easier starting.
The two types of primers commonly used on small engines are the manual push-button primer and the automatic choke primer.

1. Manual push-button primer: This type of primer requires the user to manually press a button or bulb to pump a small amount of fuel directly into the carburetor. By doing this, the air-fuel mixture in the engine becomes richer, allowing for easier starting. Typically, you need to press the primer button 3-5 times before starting the engine.

2. Automatic choke primer: In this system, a choke plate is used to control the air-fuel mixture by partially closing off the air intake in the carburetor. When the engine is cold, the choke plate closes automatically, restricting airflow and creating a richer air-fuel mixture. As the engine warms up, the choke plate gradually opens, allowing more air into the carburetor and adjusting the mixture to the appropriate level for optimal engine performance.

Both types of primers serve the same purpose: to help start small engines by providing an optimal air-fuel mixture for combustion.

Learn more about primer here: brainly.com/question/20159245

#SPJ11

The counter RES instructiona is used to reset the counterB.is given the same reference address as the counter instructionc decrements the count when actuatedd both a and b

Answers

A. The counter RES instruction is used to reset the counter.

The counter RES instruction is used to reset the counter to its initial value or to a specified preset value. It is often used in conjunction with a rung condition that becomes true when a certain event occurs, such as a particular input being activated or a timer reaching its preset value. Option B is incorrect because the counter RES instruction is not given the same reference address as the counter instruction. Option C is incorrect because there is no counter instruction that decrements the count when actuated. Option D is incorrect because option B is incorrect.

In a network that uses IPv4, what prefix would best fit a subnet containing 100 hosts?

Answers

In a network that uses IPv4, the prefix that would best fit a subnet containing 100 hosts is /25.

This would provide 128 IP addresses, with 126 usable addresses for hosts (since the first and last addresses are reserved for network and broadcast addresses).

To determine the best prefix for a subnet containing 100 hosts in a network using IPv4, you should consider the following steps:



1. Calculate the number of bits required for the hosts: You need to find the smallest power of 2 that is greater than or equal to the number of hosts plus 2 (for the network and broadcast addresses). In this case, 100 + 2 = 102. The smallest power of 2 that is greater than or equal to 102 is 128 (2^7).



2. Calculate the subnet mask: Since there are 32 bits in an IPv4 address, and you need 7 bits for the hosts, the remaining bits will be used for the network portion. So, 32 - 7 = 25 bits for the network.


3. Determine the prefix: The prefix is the number of bits used for the network portion of the subnet mask. In this case, the prefix is /25.
In a network that uses IPv4, a /25 prefix would best fit a subnet containing 100 hosts.

Learn more about network click here

brainly.com/question/1427678

#SPJ11

Other Questions
What is the mass of 3.50 x 1024 Ti atoms?A) 47.9 amu B) 47.9 g C) 5.81 g D) 278 g E) 5.81 amu 3 tons of bark cost $23,640.00. What is the price per pound?pls help me at first, only 1/3 of the students who were going on the band trip were on the bus. after 21 students got on the bus 4/5 of the students who were going on the trip were on the bus. how many students were going on the band trip you need to look at what was happening in Germany under Hindenburg (the leader prior to Hitler). What did he do that set in motion the rise of the Nazis? What economic factors were at play in Germany that Hindenburg couldnt control? Leadership matters, and how did his impact the era?ANDhow did Hitler and the Nazis step into the vacuum? In other words, how did they rise to power? Do you think it was inevitable that they would have seized poweror do you think Hitlers rise could have been averted? Really the question is about, how did Hitler come to power...but I really want you to look at the process, the leadership styles etc. With increased CO2, what will happen to ventilation and which acid-base balance disorder would it be compensating for? what is the difference between a memory allocator that uses implicit free lists and one that uses explicit free lists? Anna-Maria has just heard that her company is going to start outsourcing her job. What does this MOST likely mean for Anna-Maria?A.She will earn a pay raise.B.She will lose her job.C.She will have to relocate.D.She will get extra benefits. uppose the exchange rate of 104 Japanese yen to the dollar moves to 125 yen to the dollar. The dollar has making Japanese goods expensive for Americans. a. appreciated; more b. appreciated: less c. depreciated; more d. depreciated; less The lowest fertility rates may be found in ________.A) developing countriesB) countries providing opportunities for women's educationC) where access to birth control is limitedD) in places with poor health care systemsE) developed countriesB Using the equations2 Ha (g) + O2 (g) - > 2 H20 (1)AH = -572 kJCa (s) + O2 (g) -> CaO (s)AH = -635 kJCaO (s) + H,O (1) -> Ca(OH)2 (s) AH = -64 kJDetermine the enthalpy for the reactionCa (s) + 2 H,0 (1) -> Ca(OH), (S) + Ha (g).-1271 kJ-413 kJ-985 kJ-364 kJ-285 kJ Why does Hamilton argue a feeble executive leads to bad government? Who was the first person to publish on electric theory and electic force What is $0.473T in Balions? (entor a numerica with NO doo Abbreviations: - K Thousands - M- Millions B- Billions - T-Trillions what is the number of permutations of the letters in the word indis- tinguishable such that the strings git, tin, and nab do not appear in the permutation? part b: which detail from speech 1 best helps develop the correct answer to part A Who was the Chief Justice of the U.S. Supreme Court who ruled that Cherokee territory was not subject to state law and thus Worchester should be set free? in a nuclear reactor, uranium fissions into krypton and barium via the reaction. what are the nucleon number a and atomic number z of the resulting krypton nucleus? identify part of speechbees attack you Reagents, such as dinitrophenol, increase the permeability of the mitochondrial inner membrane to protons. The addition of dinitrophenol to a suspension of animal cells should When a(n) 870-kg compact car accelerates from rest to 26 m/s , it consumes 0.0766 L of gasoline, and 1.0 L of gasoline contains approximately 3.2107 J of energy.What is the efficiency of the car? (Kf/Esi=)